Sahara, Sani, Maarten Dolk, Agus Hendriyanto, Tri Atmojo Kusmayadi, and Laila Fitriana. 2024. “Transformation Geometry in Eleventh Grade Using Digital Manipulative Batik Activities”. Journal on Mathematics Education 15 (1):55-78. https://doi.org/10.22342/jme.v15i1.pp55-78.